Bring 1 large pot of salted water to a boil and cook pasta according to package directions.

While the pasta is cooking, heat oil in a large skillet over medium heat.

Add the onion and cook for 3-5 minutes or until transparent. Add the garlic and cook for 1 additional minute or until tender and fragrant.

Add the cherry tomatoes, basil, salt, pepper to the pan and cook for 8 minutes.

Use a potato masher or the back of a spatula to mash the cherry tomatoes and simmer for an additional 2 minutes before turning off heat.

Taste test the sauce and add additional salt and pepper to suit taste.

Add strained pasta to the skillet and toss to combine.

Serve pasta topped with additional fresh basil and parmesan cheese.